Other questions in this quiz

2. What is the gas exchange surface in mammals?

  • trachea
  • Alveolus
  • moist skin
  • flight muscles

3. What makes a good gas exchange surface?

  • Small concentration gradient
  • Large surface area
  • Thick walls
  • Small surface area

4. Select a function of a enzyme

  • They are used to cure illnesses
  • They catalyse reactions
  • they stop reactions
  • they increase the products of a reaction.

5. What factors affect transport across a membrane

  • Temperature
  • Type of organism
  • Size of organism
  • Environment


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